.study{
    margin-left: 40px;
}
html{
    background-color: rgb(232, 234, 235);
}
.study-topbar{
    width: 410px;
    height: 100px;
    display: flex;
    flex-direction: row;
    justify-content: center;
    align-items: center;
}

.study-textbox{
    height: 100px;
    width: 2000px;
    display: flex;
    justify-content: center;
    align-items: right;
    line-height: 100px;
    font-size: 20px;
}

.study-downdrag{
    height: 40px;
    width: 210px;
    display: flex;
    justify-content: left;
    align-items: center;
    text-align: center;
}


.downdrag{
    width: 200px;
    height: 35px;
    font-size: 15px;
}

.study-detail{
    width: 650px;
}
.study-detail-topbar{
    width: 650px;
    height: 46px;
    display: flex;
    flex-direction: row;
    justify-content: center;
    align-items: center;
    background-color: white;
    border-bottom: 1px rgba(116, 112, 112, 0.564) solid;
}

.detail-casename{
    width: 395px;
    height: 46px;
    margin-left: 5px;
    display: flex;
    line-height: 46px;
    font-size: 15px;
    color: black;
    text-align: left;
}

.detail-operation{
    width: 245px;
    height: 46px;
    margin-left: 5px;
    display: flex;
    line-height: 46px;
    font-size: 15px;
    color: black;
    text-align: left;
}

.study-detail-footbar{
    width: 650px;
    height: 50px;
    display: flex;
    flex-direction: row;
    justify-content: center;
    align-items: center;
    background-color: transparent;
}

.case-total{
    height: 50px;
    width: 50px;
    line-height: 50px;
    text-align: center;
    font-size: 15px;
    margin-right: 100px;
}

.case-pagesize{
    height: 50px;
    width: 100px;
    display: flex;
    justify-content: center;
    align-items: center;
    margin-right: 20px;
}

.pagesize-select{
    height: 30px;
    width: 100px;
    text-align: center;
}

.change-page{
    height: 30px;
    width: 100px;
    margin-right: 20px;
    display: flex;
    flex-direction: row;
    justify-content: center;
    align-items: center;
    background-color: white;
}
.last-page{
    height: 30px;
    width: 25px;
    display: flex;
    justify-content: center;
    align-items: center;
}
.left-arrow{
    width: 7px;
    height: 7px;
    border-top: 2px solid #867f7a;
    border-right: 2px solid #867f7a;
    transform: rotate(-135deg);
}
.current-page{
    height: 30px;
    width: 50px;
    font-size: 15px;
    text-align: center;
    line-height: 30px;
}

.next-page{
    height: 30px;
    width: 25px;
    display: flex;
    justify-content: center;
    align-items: center;
}

.right-arrow{
    width: 7px;
    height: 7px;
    border-top: 2px solid #867f7a;
    border-right: 2px solid #867f7a;
   transform: rotate(45deg);
}

.goto-page{
    width: 110px;
    height: 50px;
    display: flex;
    flex-direction: row;
    justify-content: center;
    align-items: center;
}

#target-page{
    width: 40px;
    height: 20px;
    margin-left: 4px;
    margin-right: 4px;
}